Datasheet
Application Note
Created by Traco Electronic AG Arp.
www.tracopower.com
Date: September 14
th
, 2012 / Rev.: 1.1 /
Page 25 / 30
3W SINGLE & DUAL
OUTPUT
EMC considerations
Single Output
Dual Output
Recommended circuit to comply EN55022 Class B Limits
Single Output
Dual Output
Recommended PCB Layout with Input Filter
To: comply with EN55022 CLASS B following components are recommended:
Model
Component
Value
THB 3-05xx
C1
22µF/16V 1206 MLCC
C2 & C3
100pF/6KV 2211 MLCC
THB 3-12xx
C1
4.7µF/25V 1206 MLCC
C2 & C3
100pF/6KV 2211 MLCC
THB 3-24xx
C1
2.2µF/50V 1206 MLCC
C2 & C3
100pF/6KV 2211 MLCC
THB 3-48xx
C2 & C3
100pF/6KV 2211 MLCC